Cod sursa(job #307839)

Utilizator lacy_sorinabaleanu sorina lacy_sorina Data 25 aprilie 2009 11:54:47
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include<stdio.h>
int n,v[10],p[10];
void readd(), solve(), gen(int poz), afiseaza();
int main()
{
	readd();
    solve();
	return 0;
}
void readd()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
}
void solve()
{
	gen(1);
}
void gen(int poz)
{
	int i;
	if(poz==n+1){afiseaza();return;}
	for(i=1;i<=n;i++)
		if(v[i]==0)
		{
			p[poz]=i;
			v[i]=1;
			gen(poz+1);
			v[i]=0;
		}
}
void afiseaza()
{
	int i;
	for(i=1;i<=n;i++)
		printf("%d ",p[i]);
	printf("\n");
}